xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mm: make pagevec_lookup() update index

Browse Source 
Make pagevec_lookup() (and underlying find_get_pages()) update index to
the next page where iteration should continue.  Most callers want this
and also pagevec_lookup_tag() already does this.

Link: http://lkml.kernel.org/r/20170726114704.7626-3-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kara
2017-09-06 16:21:18 -07:00
committed by Linus Torvalds
parent 26b433d0da
commit d72dc8a25a
11 changed files with 32 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/ext4/file.c
View File

@@ -468,7 +468,7 @@ static int ext4_find_unwritten_pgoff(struct inode *inode,
unsigned long nr_pages;
num = min_t(pgoff_t, end - index, PAGEVEC_SIZE - 1) + 1;
nr_pages = pagevec_lookup(&pvec, inode->i_mapping, index,
nr_pages = pagevec_lookup(&pvec, inode->i_mapping, &index,
(pgoff_t)num);
if (nr_pages == 0)
break;
@@ -536,8 +536,6 @@ next:
/* The no. of pages is less than our desired, we are done. */
if (nr_pages < num)
break;
index = pvec.pages[i - 1]->index + 1;
pagevec_release(&pvec);
} while (index <= end);